Interface device



FIG. 1 is a front and right side perspective view of an interface device;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front elevational view of a second embodiment thereof; and,

FIG. 9 is a rear elevational view thereof showing vents. 

The ornamental design for an interface device, as shown and described. 